• 1. card punch: 卡片穿孔机 | 卡片穿孔器 | 打卡机
• 2. key card punch: 卡片穿孔机 | 键打卡机 | 密钥卡片穿孔机
• 3. summary card punch: 总计卡片穿孔机

更多释义

• 1.Punch card: card punched with a pattern of holes encoding data for storage and reading.
  穿孔卡：依照固定模式打孔，作为代码，贮存和阅读资料的卡。
  dict.yoduao.com
• 2.quot;The triangle program reads three numbers from a punch card... and interprets them as the sides of a triangle.
  "三角形程序从一个穿孔卡片中读取三个数据，并将它们作为三角形的三个边。
  dict.yoduao.com
• 3.At first this meant making punch-card tabulators, but IBM moved on to magnetic-tape systems, mainframes, PCs, and most recently services and consulting.
  最初，它制造穿孔卡显示器，之后开发磁带系统，大型计算机及个人计算机，如今，又转向服务和咨询业务。
  dict.yoduao.com

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